TREA

Robert D. Caswall Jr.

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  • Perrysburg, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Unloading apparatus
    • Patent number 4,313,329
    • Issue date Feb 2, 1982
    • Abbey-Etna Machine Company
    • Robert D. Caswall
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...